The Seiko 9641-8000 is a watch model based on the 9641 movement.
Parts List
290W35SN00 | crystal |
32M01NA1 | crown |
EB0055B01 | others - crown and stem gasket |
Caliber 9641
![Caliber manual page](https://www.theseikoguy.com/media/movements/9/9641A_caliber_jp_1.jpg)
Other models with the same movement
9641-5000 |
9641-5010 |
9641-5020 |
9641-5030 |
9641-5040 |
9641-5050 |
9641-7000 |
9641-700A |
9641-7010 |